package node type Identifier struct { Value string } func NewIdentifier(Value string) *Identifier { return &Identifier{ Value, } } func (n *Identifier) Attributes() map[string]interface{} { return map[string]interface{}{ "Value": n.Value, } } func (n *Identifier) Walk(v Visitor) { if v.EnterNode(n) == false { return } v.LeaveNode(n) }